Added Trowel

Fixed issue with wrench
Organised tools into folders

assets/lzstools/models/items/trowel/diamond.json

@@ -0,0 +1,6 @@
+{
+	"parent": "minecraft:item/handheld",
+	"textures": {
+		"layer0": "lzstools:item/trowel/diamond"
+	}
+}

assets/lzstools/models/items/trowel/iron.json

@@ -0,0 +1,6 @@
+{
+	"parent": "minecraft:item/handheld",
+	"textures": {
+		"layer0": "lzstools:item/trowel/iron"
+	}
+}